Tasmanian tiger declared extinct 80 years ago “spotted” eight times
What was thought to be the last one of its kind died in Hobart Zoo in 1936
Scientists want to make a 3D map of the entire world before…climate change ruins it
And to record the world's most vulnerable places before they disappear, we're going to need a lot of lasers
Italy’s Mount Etna bursts into volcanic activity
The most powerful eruption in the region is linked to the extinct volcano of Santorini, Greece